While most sources are predicting a rise in ad dollars for the rest of this year, Barclays analyst Anthony DiClemente is lowering his estimate from 5.5% to only a 5% growth. That may not sound like much but these days, even .5% really counts. In an article at MediaMemo, Peter Kafka says that it's print (including phone book advertising) and radio that are skewing the numbers as they continue to have poor ad sales.